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import queue
import unittest
import time
from pyglet import window
class EventSequenceFixture:
def __init__(self, event_loop):
self.event_loop = event_loop
self.listen_events = []
self.received_events = queue.Queue()
def create_window(self, **kwargs):
w = self.event_loop.create_window(**kwargs)
w.push_handlers(self)
return w
def wait_for_events(self, expected_events, incorrect_events):
if isinstance(expected_events, (tuple, list)):
self.listen_events = expected_events
else:
self.listen_events = [expected_events]
while True:
# check events
self.event_loop.run_event_loop()
def __getattr__(self, name):
if name.startswith('on_'):
return self._handle_event
else:
raise AttributeError()
def _handle_event(self, name, *args, **kwargs):
if name in self.listen_events:
q.put((name, args, kwargs))
self.event_loop.interrupt_event_loop()
class EventSequenceTest:
"""Base for testing event sequences on a window."""
next_sequence = 0
last_sequence = 0
finished = False
timeout = 2
start_time = time.time()
def check_sequence(self, sequence, name):
if self.next_sequence == 0 and sequence != 0:
print('received event before test start:', name)
return
if sequence == 0:
self.start_time = time.time()
if not self.finished:
if self.next_sequence != sequence:
self.failed = 'ERROR: %s out of order' % name
else:
self.next_sequence += 1
if self.next_sequence > self.last_sequence:
self.finished = True
def check(self):
self.assertTrue(time.time() - self.start_time < self.timeout,
'Did not receive next expected event: %d' % self.next_sequence)
failed = getattr(self, 'failed', None)
if failed:
self.fail(failed)
class WindowShowEventSequenceTest(EventSequenceTest, unittest.TestCase):
"""Event sequence when hidden window is set to visible."""
last_sequence = 3
def on_resize(self, width, height):
self.check_sequence(1, 'on_resize')
def on_show(self):
self.check_sequence(2, 'on_show')
def on_expose(self):
self.check_sequence(3, 'on_expose')
def test_method(self):
window.Window._enable_event_queue = True
win = window.Window(visible=False)
try:
win.dispatch_events()
win.push_handlers(self)
win.set_visible(True)
self.check_sequence(0, 'begin')
while not win.has_exit and not self.finished:
win.dispatch_events()
self.check()
finally:
win.close()
class WindowCreateEventSequenceTest(EventSequenceTest, unittest.TestCase):
last_sequence = 3
def on_resize(self, width, height):
self.check_sequence(1, 'on_resize')
def on_show(self):
self.check_sequence(2, 'on_show')
def on_expose(self):
self.check_sequence(3, 'on_expose')
def test_method(self):
window.Window._enable_event_queue = True
win = window.Window()
try:
win.push_handlers(self)
self.check_sequence(0, 'begin')
while not win.has_exit and not self.finished:
win.dispatch_events()
self.check()
finally:
win.close()
class WindowCreateFullScreenEventSequenceTest(EventSequenceTest, unittest.TestCase):
last_sequence = 3
def on_resize(self, width, height):
self.check_sequence(1, 'on_resize')
def on_show(self):
self.check_sequence(2, 'on_show')
def on_expose(self):
self.check_sequence(3, 'on_expose')
def test_method(self):
window.Window._enable_event_queue = True
win = window.Window(fullscreen=True)
try:
win.push_handlers(self)
self.check_sequence(0, 'begin')
while not win.has_exit and not self.finished:
win.dispatch_events()
self.check()
finally:
win.close()
class WindowSetFullScreenEventSequenceTest(EventSequenceTest, unittest.TestCase):
last_sequence = 2
def on_resize(self, width, height):
self.check_sequence(1, 'on_resize')
def on_expose(self):
self.check_sequence(2, 'on_expose')
def test_method(self):
window.Window._enable_event_queue = True
win = window.Window()
try:
win.dispatch_events()
win.push_handlers(self)
win.set_fullscreen()
self.check_sequence(0, 'begin')
while not win.has_exit and not self.finished:
win.dispatch_events()
self.check()
finally:
win.close()
class WindowUnsetFullScreenEventSequenceTest(EventSequenceTest, unittest.TestCase):
last_sequence = 2
def on_resize(self, width, height):
self.check_sequence(1, 'on_resize')
def on_expose(self):
self.check_sequence(2, 'on_expose')
def test_method(self):
window.Window._enable_event_queue = True
win = window.Window(fullscreen=True)
try:
win.dispatch_events()
win.push_handlers(self)
win.set_fullscreen(False)
self.check_sequence(0, 'begin')
while not win.has_exit and not self.finished:
win.dispatch_events()
self.check()
finally:
win.close()
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